CVE-2020-9876: apple icloud Out-of-bounds Write
Vulnerability summary
CVE-2020-9876 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in apple icloud. EPSS estimates a 1.95% chance of exploitation in the next 30 days, higher than 79.9% of scored vulnerabilities.
Timeline
- 22-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.95%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.95% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple12 products
- icloud< 7.20 | ≥ 10.0, < 11.5
- icloud for windows≥ unspecified, < iCloud for Windows 11.3
- icloud for windows (legacy)≥ unspecified, < iCloud for Windows 7.20
- ios≥ unspecified, < iOS 13.6 and iPadOS 13.6
- ipados< 14.0
1 vendor · 12 products